Re: add option for disabling TLS session tickets to libttls

2016-08-28 Thread Andreas Bartelt
On 08/22/16 08:17, Claudio Jeker wrote: On Sun, Aug 21, 2016 at 02:25:15PM -0400, Ted Unangst wrote: Andreas Bartelt wrote: Since the use of TLS session tickets potentially interferes with forward secrecy on a per-session basis, I'd personally prefer an opt-in in libtls as well as in httpd

Re: add option for disabling TLS session tickets to libttls

2016-08-22 Thread Claudio Jeker
On Sun, Aug 21, 2016 at 02:25:15PM -0400, Ted Unangst wrote: > Andreas Bartelt wrote: > > Since the use of TLS session tickets potentially interferes with forward > > secrecy on a per-session basis, I'd personally prefer an opt-in in > > libtls as well as in httpd with regard to its usage.

Re: add option for disabling TLS session tickets to libttls

2016-08-21 Thread Ted Unangst
Andreas Bartelt wrote: > Since the use of TLS session tickets potentially interferes with forward > secrecy on a per-session basis, I'd personally prefer an opt-in in > libtls as well as in httpd with regard to its usage. However, such a > semantic change would not be transparent. Any opinions

add option for disabling TLS session tickets to libttls

2016-08-21 Thread Andreas Bartelt
Hello, LibreSSL enables the use of the TLS session ticket extension [RFC 5077, or, according to comments in source code its older version 4507] by default, and libtls currently doesn't provide an API call for disabling this feature. Consequently, OpenBSD's httpd has TLS session tickets